The shares rose 16 cents, or 4 percent, to close at $4.61 on heavy volume. The stock thus continued its remarkable recovery, coming all the way back from a 52-week low of just 31 cents hit last September.

Most of the revenue is coming from government and defense industry customers, according to the company, also known as Silicon Graphics
SGI, +1.53%
The company specializes in so-called "digital defense" applications such as flight simulations and mission rehearsals.

Those customers make up about 25 percent of its overall revenue of $364 million for the period, with major contracts coming from Lockheed Martin, General Dynamics and Saab Aerospace, the company said.

SGI reported second-quarter results in late January, generating a profit of $400,000. The company generated revenue of $487 million in the fiscal 2001 quarter.

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